{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["Chemical", "Disease"], "input": "Although the neurochemistry of opiate - induced rigidity has yet to be fully elucidated , recent work suggests a role for a central adrenergic mechanism ."}
{"Chemical": [], "Disease": ["rigidity"]}